void tdc::readWindowConfiguration()
{
unsigned int DATA=0x1600;
writeOpcode(DATA);
readOpcode(DATA);
if(vLevel(NORMAL))cout<<" Match window width : "<<digit(DATA,11,0);
readOpcode(DATA);
if(vLevel(NORMAL))cout<<" Window ofset : "<<digit(DATA,11,0)-4096;
readOpcode(DATA);
if(vLevel(NORMAL))cout<<" Extra search window width: "<<digit(DATA,11,0);
readOpcode(DATA);
if(vLevel(NORMAL))cout<<" Reject margin width: "<<digit(DATA,11,0);
readOpcode(DATA);
if(vLevel(NORMAL))cout<<" Trigger time substraction : "<<digit(DATA,0);
}
/*
* decodeInstruction - Reads and interprets a full instruction provided by the
* user.
*
* @param insn - A pointer to the instruction to be populated. Must be
* pre-allocated.
* @param reader - The function to be used to read the instruction's bytes.
* @param readerArg - A generic argument to be passed to the reader to store
* any internal state.
* @param logger - If non-NULL, the function to be used to write log messages
* and warnings.
* @param loggerArg - A generic argument to be passed to the logger to store
* any internal state.
* @param startLoc - The address (in the reader's address space) of the first
* byte in the instruction.
* @param mode - The mode (real mode, IA-32e, or IA-32e in 64-bit mode) to
* decode the instruction in.
* @return - 0 if the instruction's memory could be read; nonzero if
* not.
*/
int decodeInstruction(struct InternalInstruction* insn,
byteReader_t reader,
void* readerArg,
dlog_t logger,
void* loggerArg,
uint64_t startLoc,
DisassemblerMode mode) {
memset(insn, 0, sizeof(struct InternalInstruction));
insn->reader = reader;
insn->readerArg = readerArg;
insn->dlog = logger;
insn->dlogArg = loggerArg;
insn->startLocation = startLoc;
insn->readerCursor = startLoc;
insn->mode = mode;
insn->numImmediatesConsumed = 0;
if (readPrefixes(insn) ||
readOpcode(insn) ||
getID(insn) ||
insn->instructionID == 0 ||
readOperands(insn))
return -1;
insn->length = insn->readerCursor - insn->startLocation;
dbgprintf(insn, "Read from 0x%llx to 0x%llx: length %zu",
startLoc, insn->readerCursor, insn->length);
if (insn->length > 15)
dbgprintf(insn, "Instruction exceeds 15-byte limit");
return 0;
}
void tdc::readResolution()
{
unsigned int DATA=0x2600;
writeOpcode(DATA);
readOpcode(DATA);
if(vLevel(NORMAL))cout<<" resolution : "<<digit(DATA,1,0)<<endl;;
}
void tdc::disableTDCHeaderAndTrailer()
{
unsigned int DATA = 0x3100;
writeOpcode(DATA);
DATA = 0x3200;
writeOpcode(DATA);
readOpcode(DATA);
if (DATA%2==0)
if(vLevel(NORMAL))cout << "TDC Header and Trailer disabled"<< endl;
}
// Similar to the function above. TODO: factor them together before checkin.
void DecodeDynamicIL(BYTE *data, ULONG Size, DacpObjectData& tokenArray)
{
// There is no header for this dynamic guy.
// Set globals
position = 0;
pBuffer = data;
// At this time no exception information will be displayed (fix soon)
UINT indentCount = 0;
ULONG endCodePosition = Size;
while(position < endCodePosition)
{
printf("%*sIL_%04x: ", indentCount, "", position);
unsigned int c = readOpcode();
OpCode opcode = opcodes[c];
printf("%s ", opcode.name);
switch(opcode.args)
{
case InlineNone: break;
case ShortInlineVar:
printf("VAR OR ARG %d",readData<BYTE>()); break;
case InlineVar:
printf("VAR OR ARG %d",readData<unsigned short>()); break;
case InlineI:
printf("%d",readData<long>());
break;
case InlineR:
printf("%f",readData<double>());
break;
case InlineBrTarget:
printf("IL_%04x",readData<long>() + position); break;
case ShortInlineBrTarget:
printf("IL_%04x",readData<BYTE>() + position); break;
case InlineI8:
printf("%ld", readData<__int64>()); break;
case InlineMethod:
case InlineField:
case InlineType:
case InlineTok:
case InlineSig:
case InlineString:
{
long l = readData<long>();
DisassembleToken(tokenArray, l);
break;
}
case InlineSwitch:
{
long cases = readData<long>();
long *pArray = new long[cases];
long i=0;
for(i=0;i<cases;i++)
{
pArray[i] = readData<long>();
}
printf("(");
for(i=0;i<cases;i++)
{
if (i != 0)
printf(", ");
printf("IL_%04x",pArray[i] + position);
}
printf(")");
delete [] pArray;
break;
}
case ShortInlineI:
printf("%d", readData<char>()); break;
case ShortInlineR:
printf("%f", readData<float>()); break;
default: printf("Error, unexpected opcode type\n"); break;
}
printf("\n");
}
}
void DecodeIL(IMetaDataImport *pImport, BYTE *buffer, ULONG bufSize)
{
// First decode the header
COR_ILMETHOD *pHeader = (COR_ILMETHOD *) buffer;
COR_ILMETHOD_DECODER header(pHeader);
// Set globals
position = 0;
pBuffer = (BYTE *) header.Code;
UINT indentCount = 0;
ULONG endCodePosition = header.GetCodeSize();
while(position < endCodePosition)
{
for (unsigned e=0;e<header.EHCount();e++)
{
IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_FAT ehBuff;
const IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_FAT* ehInfo;
ehInfo = header.EH->EHClause(e,&ehBuff);
if (ehInfo->TryOffset == position)
{
printf ("%*s.try\n%*s{\n", indentCount, "", indentCount, "");
indentCount+=2;
}
else if ((ehInfo->TryOffset + ehInfo->TryLength) == position)
{
indentCount-=2;
printf("%*s} // end .try\n", indentCount, "");
}
if (ehInfo->HandlerOffset == position)
{
if (ehInfo->Flags == COR_ILEXCEPTION_CLAUSE_FINALLY)
printf("%*s.finally\n%*s{\n", indentCount, "", indentCount, "");
else
printf("%*s.catch\n%*s{\n", indentCount, "", indentCount, "");
indentCount+=2;
}
else if ((ehInfo->HandlerOffset + ehInfo->HandlerLength) == position)
{
indentCount-=2;
if (ehInfo->Flags == COR_ILEXCEPTION_CLAUSE_FINALLY)
printf("%*s} // end .finally\n", indentCount, "");
else
printf("%*s} // end .catch\n", indentCount, "");
}
}
printf("%*sIL_%04x: ", indentCount, "", position);
unsigned int c = readOpcode();
OpCode opcode = opcodes[c];
printf("%s ", opcode.name);
switch(opcode.args)
{
case InlineNone: break;
case ShortInlineVar:
printf("VAR OR ARG %d",readData<BYTE>()); break;
case InlineVar:
printf("VAR OR ARG %d",readData<unsigned short>()); break;
case InlineI:
printf("%d",readData<long>());
break;
case InlineR:
printf("%f",readData<double>());
break;
case InlineBrTarget:
printf("IL_%04x",readData<long>() + position); break;
case ShortInlineBrTarget:
printf("IL_%04x",readData<BYTE>() + position); break;
case InlineI8:
printf("%ld", readData<__int64>()); break;
case InlineMethod:
case InlineField:
case InlineType:
case InlineTok:
case InlineSig:
{
long l = readData<long>();
if (pImport != NULL)
{
DisassembleToken(pImport, l);
}
else
{
printf("TOKEN %x", l);
}
break;
}
case InlineString:
{
long l = readData<long>();
ULONG numChars;
WCHAR str[84];
if ((pImport != NULL) && (pImport->GetUserString((mdString) l, str, 80, &numChars) == S_OK))
{
if (numChars < 80)
str[numChars] = 0;
wcscpy_s(&str[79], 4, L"...");
WCHAR* ptr = str;
while(*ptr != 0) {
if (*ptr < 0x20 || * ptr >= 0x80) {
*ptr = '.';
}
ptr++;
}
printf("\"%S\"", str);
}
else
{
printf("STRING %x", l);
}
break;
}
case InlineSwitch:
{
long cases = readData<long>();
long *pArray = new long[cases];
long i=0;
for(i=0;i<cases;i++)
{
pArray[i] = readData<long>();
}
printf("(");
for(i=0;i<cases;i++)
{
if (i != 0)
printf(", ");
printf("IL_%04x",pArray[i] + position);
}
printf(")");
delete [] pArray;
break;
}
case ShortInlineI:
printf("%d", readData<char>()); break;
case ShortInlineR:
printf("%f", readData<float>()); break;
default: printf("Error, unexpected opcode type\n"); break;
}
printf("\n");
}
}
